Talking about an optimal search with these tools ignores who really benefits from this "optimality". When a major event causes prices to skyrocket, it's the small local businesses that are often most affected, as their cost of living becomes unsustainable, like in Dakar during FESMAN where rents increase excessively. Platforms show prices, but they do not compensate for the unequal distribution of benefits or the costs borne by the local community. A cheap flight ticket does not make a trip "optimal" if residents can no longer afford to live at home.